import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/User.vue'
import Rights from '../components/power/rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/home' },
  { path: '/login', name: 'Login', component: Login },
  {path: '/home', name: 'Home', component: Home, redirect: '/welcome', children: [
      { path: '/welcome', name: 'Welcome', component: Welcome },
      { path: '/users', name: 'Users', component: Users },
      { path: '/rights', name: 'rights', component: Rights },
      { path: '/roles', name: 'Roles', component: Roles },
      { path: '/categories', name: 'Cate', component: Cate },
      { path: '/params', name: 'Params', component: Params },
      { path: '/goods', name: 'GoodsList', component: GoodsList },
      { path: '/goods/add', name: 'GoodsAdd', component: Add },
      { path: '/orders', name: 'Order', component: Order },
      { path: '/reports', name: 'Report', component: Report }
    ]}


]

const router = new VueRouter({
  routes
})
//
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to:将要访问的页面路径
  // from:代表从哪个路径跳转而来的。
  // next or next('login'):代表放行的函数
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  // 判断token
  if (!tokenStr) return next('/login')
  next();
})
export default router
